Seat and Substructure

Seat noun - A place from which authority is exercised.

Substructure and seat are semantically related In some cases you can use "Substructure" instead a noun "Seat".

Nearby Words: seating, seated

Substructure noun - The basic structure or features of a system or organization.

Seat and substructure are semantically related in basis topic. Sometimes you can use "Seat" instead a noun "Substructure", if it concerns topics such as base, bottom, foundation, physical foundation.

Nearby Word: substruction